Fast self-adaptive rotary plug-in underwater force-bearing connector

Abstract

Disclosed is a fast self-adaptive rotary plug-in underwater force-bearing connector, which comprises a plug part and a socket part, wherein the plug part comprises a plug housing, a pin arranged in the plug housing, and a push-pull sleeve, a rotary sleeve, a front retaining ring, a ratchet lock nut and a rear retaining ring arranged outside the plug housing; the socket part comprises a socket housing and a jack arranged in the socket housing; the pin and the jack cooperate to connect the plug part and the socket part. The fast self-adaptive rotary plug-in underwater force-bearing connector of the present application can work under the working condition of a large tensile force and has a high reliability.

What is claimed is: 
     
       1. A fast self-adaptive rotary plug-in underwater force-bearing connector, comprising a plug part and a socket part;
 wherein the plug part comprises a plug housing, a pin provided in the plug housing, and a push-pull sleeve, a rotary sleeve, a front retaining ring, a ratchet lock nut and a rear retaining ring provided outside the plug housing; one end of the plug housing is provided with a submarine cable A; the plug housing is uniformly provided with slider mounting holes for mounting sliders along a radial direction, and the sliders are radially movable along the slider mounting holes; an inner wall of the plug housing is provided with an unequal-width key group for guiding the socket part, and the keys of the unequal-width key group are provided between the sliders; the plug housing is provided with a hoop mounting structure A, and both sides of the hoop mounting structure A are provided with force-bearing bosses A; the plug housing is also provided with a housing pin hole A and a thread A for connecting external equipment; the plug housing is provided with a sealing ring groove A for sealing between the external equipment and the plug housing, wherein the push-pull sleeve is configured to press the sliders and the rotary sleeve; an end of the push-pull sleeve is provided with a stop block mounting hole for mounting a stop block, wherein the stop block is configured to clamp the ratchet lock nut to prevent a threaded connection between the ratchet lock nut and the plug housing from being loosened, and the other end of the stop block is provided with a spring for ejecting the stop block to lock the ratchet lock nut; the push-pull sleeve is provided with a push-pull sleeve pin mounting hole for mounting a threaded pin, and the threaded pin is used for preventing the stop block from sliding out and rotating; the rotary sleeve is provided with a slider pin groove, and the slider is provided with a slider pin, and the slider pin groove is matched with the slider pin to implement a radial movement of the sliders by rotating the rotary sleeve and thereby implement the locking and unlocking of the plug part and the socket part; the plug housing is further provided with a rear retaining ring groove for mounting the rear retaining ring, wherein the rear retaining ring is configured to prevent the ratchet lock nut from slipping out; the plug housing is further provided with a front retaining ring groove for installing the front retaining ring, and the front retaining ring is configured to prevent the rotary sleeve from slipping out; 
 the socket part comprises a socket housing and a jack provided in the socket housing; the pin and the jack are matched to connect the plug part and the socket part; one end of the socket housing is provided with a submarine cable B which is provided coaxially with the submarine cable A; the socket housing is provided with a hoop mounting structure B, both sides of which are provided with force-bearing bosses B; the socket housing is provided with a slider groove matched with the slider and a bell mouth guide keyway group matched with the unequal-width key group, wherein an insertion end of the bell mouth guide keyway group is trumpet-shaped and thereby convenient for the unequal-width key group to be smoothly inserted within a certain angle range so as to insert the pin into the jack; the socket housing is also provided with a sand-proof sealing ring groove for mounting a sealing ring to prevent sand; the socket housing is further provided with a housing pin hole B and a thread C for connecting the external equipment; the socket housing is provided with a sealing ring groove B, and a sealing ring is provided at the sealing ring groove B to seal between the external equipment and the socket housing. 
 
     
     
       2. The fast self-adaptive rotary plug-in underwater force-bearing connector according to  claim 1 , wherein the unequal-width key group at least comprises two keys with unequal widths, which are configured to provide guidance for inserting the plug part into the socket part. 
     
     
       3. The fast self-adaptive rotary plug-in underwater force-bearing connector according to  claim 1 , wherein one end of the stop block is provided with a fixture block, and the other end thereof is provided with a spring mounting block, wherein the stop block is provided with a screw pin matching groove for matching with a screw pin, and is further provided with a stop block tool hole, and wherein the push-pull sleeve is provided with a push-pull sleeve tool hole, and tools are inserted into the stop block tool hole and the push-pull sleeve tool hole to move the stop block. 
     
     
       4. The fast self-adaptive rotary plug-in underwater force-bearing connector according to  claim 3 , wherein one side of the ratchet lock nut is provided with ratchet teeth for matching with the fixture block; the inside of the ratchet lock nut is divided into two parts; one part is provided with a ratchet thread, which is matched with a thread B provided on the plug housing, so that the ratchet lock nut presses the push-pull sleeve; and the other part is provided with a smooth surface, an inner diameter of which is smaller than that of the ratchet thread, thereby preventing abrasion caused by contact between the ratchet thread and the plug housing; an outer surface of the ratchet lock nut is provided with a lock nut tool hole for inserting a tool to lock the ratchet lock nut; the outer surface of the ratchet lock nut is designed as a knurled surface for increasing friction and facilitating assembly and disassembly. 
     
     
       5. The fast self-adaptive rotary plug-in underwater force-bearing connector according to  claim 1 , wherein the slider pin groove is an arc whose radius gradually increases with the angle; an outer surface of the rotary sleeve is provided with a tool hole for inserting a tool to implement the rotation of the rotary sleeve. 
     
     
       6. The fast self-adaptive rotary plug-in underwater force-bearing connector according to  claim 1 , wherein a push-pull sleeve guide keyway is provided inside the push-pull sleeve, a plug housing guide keyway is provided outside the plug housing, a guide key is fixed on the plug housing guide keyway, and the push-pull sleeve guide keyway is matched with the guide key to ensure the uniqueness of insertion of the push-pull sleeve; an outer surface of the push-pull sleeve is designed as a surface knurled structure for increasing friction and facilitating push and pull. 
     
     
       7. The fast self-adaptive rotary plug-in underwater force-bearing connector according to  claim 1 , wherein a material around the slider on the plug housing is thickened.